Rotary motor.



O. F. OVERLY.

ROTARY MOTOR.

APPLICATION FILIED JAN.19,1912

Patented July 21, 1914.

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ROTARY MOTOR.

APPLICATION FILED JAN.19,1912.

1,104,07G, Patented July 21, 1914.

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CHARLES F. OVERLY, OF PITTSBURGH, PENNSYLVANIA, ASSEGNGR TO THE .lLAiL-YC'NLA MANUFACTURING COMPANY, OF SPRINGFIELD, OHIO, A CORPGELATION OF 0311C.

ROTARY MOTOR.

motors.

To all whom it may concern:

Be it known that I, Ci-rAR ns F. Ovnnnr, a citizen of the United States, residing at Pittsburgh, iii-the county of Allegheny and Stateof Pennsylvania, have invented oertain new and useful Improvements in R0- tary Motors, of which the followin is a specificatipn, reference being had therein to the accompanying drawings.

My invention relates to rotary motors and more particularly to a motorof this class that is ada ted to driveboiler tube cleaners', althoug it may be used for other purposes. jf-

The object of my invention is to provide a simple, strong andefiicient motor of few parts that zzafn" be easily assembled and readily'taken apart for renewal or repairs.

With these and other objects in view my invention consists of the constructions and combinations hereinafter described and set forth the claims.

the tco'om an'ying. drawings which fort. a parted this specification Figure 1 is a longitudinal-section of a motor embodying my invention, said section being taken on the line 1--1"of Fig. 4. Fig. 2 is a like section taken on the line' 22 of Fig. 4.

' Fig.3 is an end view of Fig. 1 showing the:

arts in assembled, working position. Fig. l is a cross-section on the line 4-.4 of Fig. 1. Fig. '5 iso cross-section on the line 55 of Fig. 1. Fig. 6 is another end viewof Fig.1 showing the internal parts in position to be taken from the casing. Fig. 7 is a longitudinal section taken in the same plane as Fig. 1 and shows the internal parts moved rearward in the casin ready to be 'iven a quarter turn to take the same from tne casing. Fig. 8 is a longitudinal section on the line 8-8 of Fig. 9 partially shown in elevation to illustrate-a modified form of securing certain parts together, and Fig. 9 is a cross-section on the line 9 9 of Fig. 8.

like numerals represent the same parts in the several views.

In the drawings 1 represents a casing open at its front end and preferably having an integral head 2 at its rear end. Said open end is provided with one or more inwardly extending projections 3 which I have shown in the form of segments. Amotor bearing member 4, a motor cylinder 5 and a disk or partition 6 are secured together by doweh' -pins 9 and have oppositelydisposed flat- Specifieation of Letters Patent.

Application filed January 19, 1912. Serial No. 672,247.

Patented duly 21, 1914:.

toned portions 16 formed to the inwardly extending segmcntalprojeetions 3 so that when said motor cylinder, disk or partition and motor bearing member are assembledthey can-he inserted through the open front end of the casln'g, the flattened portions passingthe pro ections 3 and when they reach the position shown in Fig. 7 they are given a quarter turn by applying a wren'ch to the 1 sertcd in'fthe casing, quarter turned and moved-forward the flattened portions 4 will abut the inner sides of the projections 3 and keep the motor bearing member from turning in the casing.

" A plug 12 screw-threaded in an opening through the head 2 can he moved against the rear side of the disk or ported partition '6 by a suitable wrench applied in the angular supply opening 13 to clam said dish or partition, motor cylinder an motor hear 'ing member against the inner side of the projections 3 and hold said parts in place.

-Ii) will be seen there is suilicient clearance between the disk or partition 6 and the head Zlforth'e rearward and. forward movement of: the motor cylinder, disk or partition and motor bearing member to insert and secure said. parts in place within the casing as described.

I have shown the motor cylinder such dimensions that when the rotary motor member 14 is mounted therein it will contact with the walls of the chamher in. two places opposite each other iormin two oppositely disposed crescent shaped cliarnbers as particnlarly shown in Fig. 4. Piston blades 15 seated in recesses in the rotary motor mom.- bcr are adapted to move radially into the crescent shaped chambers in a well known manner.

, The disk or partition '6 has a projecting portion-7 extending within an axial recess of the rotary motor mcmberand forms a. hearing to carry the'rcar end of said mean I har Said rotarymotor member is provided with a forwardly extending portion or shaft 16 journaled in the bearing member 4c, a removable bushing 17 being preferably employed; and said shaft is screw-threaded at 18 to attach the tool to be driven.

The motive agent is admitted to the crescent shaped chambers in the rear of the piston blades through inlet ports 20; and the disk or partition 6 is provided with an 1 inlet 21 having ports 22 through its projecting portion 7 adapted to register with the ports 20 in the rotary motor member, said projecting portion 7 having transverse slots 23 through which the ports 22 open to the ports as particularly shown in Fig. 4:.

Ports or openings 24 in the rotary motor member admit the pressure of the motive agent to the bottom of the recesses for the piston blades 15 to force them outwardly 20 and when they are being forced inwardly by contact with the curve of the motor cylinder, openings 25 in. the disk or partition 6 relieve the pressure in the recesses behind the blades. Passages 26 formed between the 25 flattened portions 10 of the disk or partition 6, the motor cylinder 5 and the motor bearing member 4: and the casing receive and discharge the motive agent from the Open ings 25 and from exhaust ports 27 in the to motor cylinder. A supply couplingl 28 is screw-threaded in the openlng in the ad 2; and the contacting portions of the plug 12 and disk or partition .6 are preferably beveled at 29 as shown to form a better 35,joint and to center the disk or partition in the casing.

In Fig. 8 I have shown a modification in which the disk or partition 6 and the motor bearing member 4: are provided with tongues 3O seated in grooves 31 of the motorcylinforming a shoulder therein, a motor bearing member fitted to said bore and having a reduced portion throughout-its length adapting it to entirely pass said projection and means including a screw-plug to clamp said member against said shoulder, substantially as described.

2. In a rotary motor, a casing having an open end with a projection extending in-v wardly from an arc of the circle of its bore forming a shoulder therein, a motor cylinder and a motor bearing member with means to fix same in their relation to each other,

- said cylinder and bearing member being fitted to said bore and each having a are an duced portion throughout its length adapting it to entirely pass said projection and means including a screw-plug to clamp said cylinder and bearing member in place with said bearing member against said shoulder, substantially as described.

3. In a rotary motor, a casing having an open end with a projection extending inwardly from an arc of the circle of its bore forming a shoulder therein, a rotary motor member, motor bearing members on opposite sides of said rotary motor member fitted to said bore and each havin a reduced portion throughout its length a apting it tov entirely pass said projection and means including a screw-plug to clamp said bearing members in place wlth one of them against said shoulder, substantially as described.

4. In a rotary'motor, a casing having an a open end with'a projection extending inwardly from an arc of the circle of its bore forming a shoulder therein, a rotary motor member, a motor cylinder and motor bearing members at the respective ends thereof with'means to fix said cylinder and bearing members in their relation to each other, said cylinder and bearing members beingfitted to said bore and each having a reduced portion throughout its length adapting it to entirely pass said projection and means including a screw-plug to clamp said cylinder and bearing members in place with one of said bearin members against said shoulder, substantial y as described 5. In a rotary motor, a casing having a bore'with an integral head at one end and open at its opposite end with a projection extending inwardly from one or more arcs of the circle of its bore forming a shoulder or shoulders therein, a motor bearing mem-' ber fitted to said bore and having a reduced portion throughout its length adapting it to entirely pass said rojection or projections and means including a screw-p1ug to clam said bearing member against said shou der or shoulders, substantially as described.

' 6. In a rotary motor, a casing having an open end with a projection extendin inwardly from an arc of the circle of its ore, a motor bearing member fitted to said bore and having a-reduced portion throughout its length adapting, it to entirely pass said projection, said bearing member also havin a reduced portion for a part of its lengtfi adapting it to engage the rear and inner sides of said projection and means includmg a screw-plug to clamp said 'bearin member in place, substantially as describe 7. In a rotary motor, a casing having an open end with a projection extendin inwardly from an arc of the circle of its ore, a rotary motor member, a motor cylinder and motor bearing members at the respective ends thereof secured thereto, said cylind'er and bearing members fitted to said mes es bore and each having a reduced portion throughout its length adapting it to entirely pass said projection, one oi said bearing members also havinv. a reduced portion for :a part of its length adapting it to engage the rear and inner sides of said projection and means including a screw-plug to clamp said cylinder and bearing members in place, substantially described.

8. in a rotary motor, a casing having an open end with a projection extending in-" bore with an integral supply head at one end and open at its opposite end with one or more inwardly extending progections, a rotary motor member, a motor cylinder, motor bearing members on opposite sides of said rotary motor member, saidcylinder and bearing members "tied to said'bore and each having reduced portions adapting it to be introdueed through said open end into said bore to form with said casing an exhaust passage through said open end, one of said bearing members having outlet ports to said .passa e to relieve the pressure in the rear of said blades when the blades are pressed inwardly by contact-with the walls of said cylinder and a screw-plug to force said cylinder and hearing members forward. to engage the front bearing with the rear side of said projections, substantially as described.

10. In a rotary motor, a casing having a bore with an integral supply head at one end and open at its opposite and with one or more inwardly extending segmental projections, a rotary motor member, a motor cylinder, motor bearing members on opposite sides of said rotary motor member, said cylinder and bearin members fitted to said bore and each havin reduced portions adapting it to pass said projection or projections and form with said casing an exhaust passage through said open end, the front bearing member also having a reduced portion for a part of its length and a screw lug to force said cylinder and bearing memhers forward to engage the front bearing with the inner and rear sides of said projections, substantially as described.

In testimony whereof I have hereunto affixed my signature in the presence of two witnesses.

CHARLES E. ovnnnrj I 

